#include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int main(){ int i,a,c=0,o,b,w=1; cin>>o; for(b=1;b<=o;b++) c++; for(a=1;a<=c;a++){ for(i=1;i<=w;i++){ cout<<"*"; } w++; cout<<endl; } return 0; }